bugtraq - Re: Internet Explorer 6 CSS "expression" Denial of Service Exploit (P.o.C.)

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Date: Thu, 7 Dec 2006 19:00:59 +0200
From: "Andrius Paurys" <andrius.paurys@...il.com>
To: bugtraq@...urityfocus.com
Subject: Re: Internet Explorer 6 CSS "expression" Denial of Service Exploit (P.o.C.)

On 12/6/06, José Carlos Nieto Jarquín <xiam.core@...il.com> wrote:
> Note:
> I'm sorry, two of the the exploits in the prior e-mail were incomplete.
>
> This is just another couple of proof of concept exploits for this
> well-known browser. The third one is a lame combination of both.
>
> Tested under Windows XP SP2, MSIE 6.0.2900.2180

Also confirmed working on Windows Server 2003 R2 (Build 3790) with
Internet Explorer 7.0.5730.11

1st exploit was working fine putting iexplore.exe at 100% CPU. It
complained about "IE restricting this web page from running scripts"
(probably because of enabled Internet Explorer Enhanced Security
Configuration), but if you click "allow this website to run this"
(which is enabled by default if above mentioned IE ESC is not present)
it works.

2nd and 3rd were not exactly working, (also because of IE ESC) because
after clicking allow after several windows it was asking again, but
should work on WinXP and IE7.

-- 
Andrius Paurys
$h@MAN

andrius.paurys@...il.com
Tel.: +37067449273
ICQ: 279424019
MSN: andrius.paurys@...il.com
http://shaman.tinkle.lt/

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